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                                                                                                  1. Home
                                                                                                  2. Sensors & Transducers
                                                                                                  3. Sensors
                                                                                                  4. Temperature Sensors & Transducers
                                                                                                  5. IC Temperature Sensors
                                                                                                  Print Page

                                                                                                  TC74A3-5.0VAT

                                                                                                  Temperature Sensor IC, Digital, ± 2°C, -40 °C, 125 °C, TO-220, 5 Pins

                                                                                                  MICROCHIP TC74A3-5.0VAT
                                                                                                  Image is for illustrative purposes only. Please refer to product description.
                                                                                                  ManufacturerMICROCHIP
                                                                                                  Manufacturer Part NoTC74A3-5.0VAT
                                                                                                  Order Code1627189
                                                                                                  Technical Datasheet

                                                                                                  Data Sheet

                                                                                                  See all Technical Docs
                                                                                                  39 In Stock

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                                                                                                  QuantityPrice (ex VAT)
                                                                                                  1+kr 19.890
                                                                                                  25+kr 16.550
                                                                                                  100+kr 15.170
                                                                                                  250+kr 14.830
                                                                                                  Price for:Each
                                                                                                  Minimum: 1
                                                                                                  Multiple: 1
                                                                                                  kr 19.89 (ex VAT)
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                                                                                                  Product Information

                                                                                                  ManufacturerMICROCHIP
                                                                                                  Manufacturer Part NoTC74A3-5.0VAT
                                                                                                  Order Code1627189
                                                                                                  Technical Datasheet

                                                                                                  Data Sheet

                                                                                                  Sensor Output TypeDigital
                                                                                                  IC Output TypeVoltage
                                                                                                  Sensing Accuracy Range± 2°C
                                                                                                  Accuracy± 2°C
                                                                                                  Measured Temperature Min-40°C
                                                                                                  Sensing Temperature Min-40°C
                                                                                                  Sensing Temperature Max+125°C
                                                                                                  Measured Temperature Max125°C
                                                                                                  Sensor Case / PackageTO-220
                                                                                                  Sensor Case StyleTO-220
                                                                                                  No. of Pins5Pins
                                                                                                  Supply Voltage Min2.7V
                                                                                                  Supply Voltage Max5.5V
                                                                                                  No. of Channels1Channels
                                                                                                  Resolution8 bits
                                                                                                  Output InterfaceI2C, SMBus
                                                                                                  Operating Temperature Min-40°C
                                                                                                  Operating Temperature Max125°C
                                                                                                  Product Range-
                                                                                                  Qualification-
                                                                                                  MSL-
                                                                                                  SVHCNo SVHC (25-Jun-2025)

                                                                                                  Product Overview

                                                                                                  The TC74A3-5.0VAT is a serially accessible Digital Temperature Sensor particularly suited for in which, temperature data is converted from the onboard thermal sensing element and made available as an 8-bit digital word. Communication with the device is accomplished via a 2-wire SMBus/I²C compatible serial port. This bus also can be used to implement multi-drop/multi-zone monitoring. The SHDN bit in the CONFIG register can be used to activate the low power standby mode.

                                                                                                  • 8 Samples per second nominal conversion rate
                                                                                                  • 200µA (typical) Normal operation quiescent current
                                                                                                  • 5µA (typical) Standby operation, quiescent current

                                                                                                  Applications

                                                                                                  Sensing & Instrumentation, Computers & Computer Peripherals, Power Management, Thermal Management

                                                                                                  Technical Specifications

                                                                                                  Sensor Output Type

                                                                                                  Digital

                                                                                                  Sensing Accuracy Range

                                                                                                  ± 2°C

                                                                                                  Measured Temperature Min

                                                                                                  -40°C

                                                                                                  Sensing Temperature Max

                                                                                                  +125°C

                                                                                                  Sensor Case / Package

                                                                                                  TO-220

                                                                                                  No. of Pins

                                                                                                  5Pins

                                                                                                  Supply Voltage Max

                                                                                                  5.5V

                                                                                                  Resolution

                                                                                                  8 bits

                                                                                                  Operating Temperature Min

                                                                                                  -40°C

                                                                                                  Product Range

                                                                                                  -

                                                                                                  MSL

                                                                                                  -

                                                                                                  IC Output Type

                                                                                                  Voltage

                                                                                                  Accuracy

                                                                                                  ± 2°C

                                                                                                  Sensing Temperature Min

                                                                                                  -40°C

                                                                                                  Measured Temperature Max

                                                                                                  125°C

                                                                                                  Sensor Case Style

                                                                                                  TO-220

                                                                                                  Supply Voltage Min

                                                                                                  2.7V

                                                                                                  No. of Channels

                                                                                                  1Channels

                                                                                                  Output Interface

                                                                                                  I2C, SMBus

                                                                                                  Operating Temperature Max

                                                                                                  125°C

                                                                                                  Qualification

                                                                                                  -

                                                                                                  SVHC

                                                                                                  No SVHC (25-Jun-2025)

                                                                                                  Technical Docs (2)

                                                                                                  Product Change Notice EN

                                                                                                  Technical Data Sheet EN

                                                                                                  Legislation and Environmental

                                                                                                  Country of Origin:
                                                                                                  Country in which last significant manufacturing process was carried outCountry of Origin:
                                                                                                  United States
                                                                                                  Country in which last significant manufacturing process was carried out
                                                                                                  Tariff No:85423190
                                                                                                  US ECCN:EAR99
                                                                                                  EU ECCN:NLR
                                                                                                  RoHS Compliant:Yes

                                                                                                  RoHS

                                                                                                  RoHS Phthalates Compliant:Yes

                                                                                                  RoHS

                                                                                                  SVHC:No SVHC (25-Jun-2025)
                                                                                                  Download Product Compliance Certificate

                                                                                                  Product Compliance Certificate

                                                                                                  Weight (kg):.003856
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